Just how much better is A.J. Cann playing?

Move over, Leonardo — there’s a new renaissance man and he happens to be plying his trade in Duval County.

Viewed by fans as a potential weak link in the Jacksonville Jaguars’ blocking armor heading into the season, fourth-year right guard AJ Cann has been a pleasant surprise. Jeff Lageman even went so far as to say that he outperformed first-team All-Pro teammate Andrew Norwell (who played very well) on his “Check the Tape Tuesday” appearance on the Jaguars Today radio program this morning.

It has been well documented to this point that the impetus for Cann’s vastly improved technique is the NFL’s new emphasis on the helmet rule. Simply not dropping his head and keeping his eyes on his…